package net.esj.basic.core.view.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.esj.basic.core.engine.support.MelonSupporter;
import net.esj.basic.core.engine.tools.crypt.MD5CryptImpl;
import net.esj.basic.core.view.tools.ActionContext;

public class ActionContextFilter implements Filter {

	@Override
	public void destroy() {
	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) arg0;
		HttpServletResponse resp = (HttpServletResponse) arg1;
		ActionContext context = ActionContext.getContext();
		if(context == null){
			context = new ActionContext();
			ActionContext.setContext(context);
			context.setCookieMaxAge(ActionContext.default_cookieMaxAge);
			context.setCrypt(new MD5CryptImpl());
		}
		ActionContext.setRequest(req);
		ActionContext.setResponse(resp);
		
		arg2.doFilter(arg0, arg1);
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {

	}

}
